How to modify the params in rails controller

Question

Controller has to modify the session_id before saving the information.

user.rb
    has_one :room

class Room < ApplicationRecord
    belongs_to :user, optional: true
end

Rooms_controller.rb

n_room = room_params
    n_room[:room][:session_id] = session.session_id
    respond_to do |format|
      binding.pry
      if current_user.create_room(params[:n_room])
        format.html { redirect_to '/rooms/#{@new_room.id}'}

But this is not working, the session_id is not stored in the rooms row.

Question 1: How to modify 'rooms_params'? Question 2: How to pass it to rooms model in the line 'current_user.create_room'? Thank you

Upendra Chahar · Accepted Answer · 2018-12-25 09:00:07Z

4

Define in this way

def create
  params[:room][:session_id] = 1
  respond_to do |format|
    if current_user.create_room(room_params)
      format.html { redirect_to '/rooms/', notice: 'Room was successfully created.' }
   else
     format.html { render :new }
   end
end

def room_params
  params.require(:room).permit(:name, :type, :session_id)
end

answered Dec 25, 2018 at 9:00

Upendra Chahar

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7 Comments

Uma Senthil Over a year ago

That seems to work except that the insert into statement is not storing the 'session_id' and 'name' value to the "Room" table. Do you the reason? INSERT INTO "rooms" ("created_at", "updated_at", "user_id") VALUES ($1, $2, $3) RETURNING "id" [["created_at", "2018-12-25 17:18:14.300732"], ["updated_at", "2018-12-25 17:18:14.300732"], ["user_id", 6]] Thanks

Uma Senthil Over a year ago

Rooms table has all "session_id" and "name" column:

Uma Senthil Over a year ago

It worked! I gave current_user.create_room(params[room_params]) instead of current_user.create_room(room_params)

Upendra Chahar Over a year ago

That is an example for your questions but those attribute i decalred inside for my room model. First u need to declare in your db. If u liked my question than please accept the answer

Upendra Chahar Over a year ago

You can follow this links for strong params edgeapi.rubyonrails.org/classes/ActionController/…

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